CN113219320B - BMS circuit board checking method, system, readable storage medium and terminal equipment - Google Patents
BMS circuit board checking method, system, readable storage medium and terminal equipment Download PDFInfo
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- CN113219320B CN113219320B CN202110410446.1A CN202110410446A CN113219320B CN 113219320 B CN113219320 B CN 113219320B CN 202110410446 A CN202110410446 A CN 202110410446A CN 113219320 B CN113219320 B CN 113219320B
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Abstract
The application belongs to the technical field of circuit board verification, and particularly relates to a BMS circuit board verification method, a BMS circuit board verification system, a computer readable storage medium and terminal equipment. The method comprises the following steps: acquiring category information of a BMS circuit board to be verified; determining each test point of the BMS circuit board according to the category information; and switching among the test points of the BMS circuit board through a preset relay module, and verifying the test points of the BMS circuit board respectively. For any test point, different reference voltages are provided, and linear verification is completed. Through this application, can realize having better commonality to the multiple spot position check-up of various kinds of BMS circuit board.
Description
Technical Field
The application belongs to the technical field of circuit board verification, and particularly relates to a BMS circuit board verification method, a BMS circuit board verification system, a computer-readable storage medium and terminal equipment.
Background
A Battery Management System (BMS) can intelligently manage and maintain each Battery cell, prevent overcharge and overdischarge of the Battery, prolong the service life of the Battery, and monitor the state of the Battery. Before a BMS circuit board (PCBA) is put into practical use, the PCBA needs to be verified, but the existing verification method only aims at single-point verification of a single-type BMS circuit board, and the universality is poor.
Disclosure of Invention
In view of this, embodiments of the present application provide a BMS circuit board verification method, a BMS circuit board verification system, a computer-readable storage medium, and a terminal device, so as to solve the problem that the existing BMS circuit board verification method is often used for performing single-point verification only for a single type of BMS circuit board and is poor in universality.
A first aspect of an embodiment of the present application provides a BMS circuit board verification method, which may include:
acquiring category information of a BMS circuit board to be verified;
determining each test point of the BMS circuit board according to the category information;
and switching among the test points of the BMS circuit board through a preset relay module, and verifying the test points of the BMS circuit board respectively.
In a specific implementation of the first aspect, the switching between the test points of the BMS circuit board through the preset relay module to respectively verify the test points of the BMS circuit board may include:
selecting an unverified test point from all test points of the BMS circuit board through the relay module as a current test point;
verifying the current test point to obtain a verification result of the current test point;
and returning to execute the step of selecting one unverified test point from all test points of the BMS circuit board through the relay module as the current test point and the subsequent steps until all the test points of the BMS circuit board are verified.
In a specific implementation of the first aspect, the verifying the current test point to obtain a verification result of the current test point may include:
supplying power to a preset simulation battery module through a preset first program-controlled direct-current power supply module to activate the BMS circuit board;
providing a preset reference voltage to the current test point through a preset second program control direct current power supply module, and reading a voltage sampling value of the BMS circuit board;
calculating a parameter value of the current test point according to the reference voltage and the voltage sampling value, and writing the parameter value into the BMS circuit board;
reactivating the BMS circuit board by the first programmable DC power supply module;
providing the reference voltage to the current test point through the second program-controlled direct-current power supply module, and reading a new voltage sampling value of the BMS circuit board;
and determining the verification result of the current test point according to the reference voltage and the new voltage sampling value.
In a specific implementation of the first aspect, the reference voltage includes a first voltage and a second voltage, and the first voltage is lower than the second voltage; the voltage sampling values comprise a first sampling value corresponding to the first voltage and a second sampling value corresponding to the second voltage;
the providing of a preset reference voltage to the current test point through a preset second program control dc power supply module and reading of a voltage sampling value of the BMS circuit board may include:
providing the first voltage to the current test point through the second program-controlled direct-current power supply module, and reading a first sampling value of the BMS circuit board;
and providing the second voltage to the current test point through the second program control direct current power supply module, and reading a second sampling value of the BMS circuit board.
In a specific implementation of the first aspect, the determining a verification result of the current test point according to the reference voltage and the new voltage sample value may include:
calculating a first difference between the first voltage and a new first sample value;
calculating a second difference between the second voltage and a new second sample value;
if the first difference and the second difference both meet the preset precision requirement, determining that the current test point is successfully verified;
and if the first difference or the second difference does not meet the precision requirement, determining that the current test point fails to be checked.
In one specific implementation of the first aspect, after reading the voltage sampling value of the BMS circuit board, the method may further include:
judging whether the first sampling value is higher than or equal to the second sampling value;
and if the first sampling value is higher than or equal to the second sampling value, determining that the current test point fails to be verified.
In a specific implementation of the first aspect, the method may further include:
and providing a preset reference voltage for a cell voltage sampling circuit module of the BMS circuit board through a preset first program control direct-current power supply module, and checking the cell voltage sampling circuit module.
A second aspect of the embodiments of the present application provides a BMS circuit board verification system, which may include a circuit board fixture, a fixture control bottom case, and a terminal device, the fixture control bottom case being connected to the circuit board fixture and the terminal device, respectively;
the circuit board clamp is used for fixing the BMS circuit board to be verified;
the fixture control bottom box is used for verifying the BMS circuit board under the control of the terminal equipment;
the terminal equipment is used for executing the steps of any BMS circuit board checking method.
A third aspect of the embodiments of the present application provides a BMS circuit board verification apparatus, which may include:
the category information acquisition module is used for acquiring category information of the BMS circuit board to be verified;
the test point determining module is used for determining each test point of the BMS circuit board according to the category information;
and the test point checking module is used for switching among the test points of the BMS circuit board through a preset relay module and respectively checking the test points of the BMS circuit board.
In a specific implementation of the third aspect, the test point verification module may include:
the current test point selecting submodule is used for selecting an unverified test point from all test points of the BMS circuit board through the relay module as a current test point;
and the current test point checking submodule is used for checking the current test point to obtain a checking result of the current test point.
In a specific implementation of the third aspect, the current test point checking submodule may include:
the first activation unit is used for supplying power to a preset simulation battery module through a preset first program-controlled direct-current power supply module and activating the BMS circuit board;
the first operation unit is used for providing a preset reference voltage for the current test point through a preset second program control direct-current power supply module and reading a voltage sampling value of the BMS circuit board;
the parameter value calculating unit is used for calculating the parameter value of the current test point according to the reference voltage and the voltage sampling value and writing the parameter value into the BMS circuit board;
a second activation unit for reactivating the BMS circuit board through the first programmable DC power supply module;
the second operation unit is used for providing the reference voltage for the current test point through the second program control direct current power supply module and reading a new voltage sampling value of the BMS circuit board;
and the verification result determining unit is used for determining the verification result of the current test point according to the reference voltage and the new voltage sampling value.
In a specific implementation of the third aspect, the reference voltage includes a first voltage and a second voltage, and the first voltage is lower than the second voltage; the voltage sampling values comprise a first sampling value corresponding to the first voltage and a second sampling value corresponding to the second voltage; the first operating unit may include:
the first operation subunit is used for providing the first voltage for the current test point through the second program-controlled direct-current power supply module and reading a first sampling value of the BMS circuit board;
and the second operation subunit is used for providing the second voltage for the current test point through the second program control direct-current power supply module and reading a second sampling value of the BMS circuit board.
In a specific implementation of the third aspect, the check result determining unit may include:
a first difference calculation subunit, configured to calculate a first difference between the first voltage and a new first sample value;
a second difference calculation subunit, configured to calculate a second difference between the second voltage and a new second sample value;
a first verification result determining subunit, configured to determine that the current test point is successfully verified if the first difference and the second difference both meet a preset precision requirement;
and the second checking result determining subunit is configured to determine that the current test point fails to be checked if the first difference or the second difference does not meet the accuracy requirement.
In a specific implementation of the third aspect, the first operating unit may further include:
the sampling value judging subunit is used for judging whether the first sampling value is higher than or equal to the second sampling value;
and the third verification result determining subunit is used for determining that the current test point fails to verify if the first sampling value is higher than or equal to the second sampling value.
In a specific implementation of the third aspect, the BMS circuit board verification apparatus may further include:
and the battery cell checking module is used for providing a preset reference voltage for the battery cell voltage sampling circuit module of the BMS circuit board through a preset first program control direct-current power supply module, and checking the battery cell voltage sampling circuit module.
A fourth aspect of embodiments of the present application provides a computer-readable storage medium storing a computer program that, when executed by a processor, implements the steps of any one of the BMS circuit board verification methods described above.
A fifth aspect of the embodiments of the present application provides a terminal device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of any one of the BMS circuit board verification methods described above when executing the computer program.
A sixth aspect of embodiments of the present application provides a computer program product, which, when run on a terminal device, causes the terminal device to perform any of the steps of the BMS circuit board verification method described above.
Compared with the prior art, the embodiment of the application has the advantages that: the method includes the steps that category information of a BMS circuit board to be verified is obtained; determining each test point of the BMS circuit board according to the category information; and switching between the test points of the BMS circuit board through a preset relay module, and verifying the test points of the BMS circuit board respectively. Through this application embodiment, can realize having better commonality to the multiple spot position check-up of various kinds of BMS circuit board.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of an embodiment of a BMS circuit board verification system in an embodiment of the present application;
fig. 2 is a flowchart illustrating an embodiment of a BMS circuit board verification method according to an embodiment of the present application;
FIG. 3 is a schematic flow chart of verifying a current test point;
fig. 4 is a structural view of an embodiment of a BMS circuit board verification apparatus according to an embodiment of the present application;
fig. 5 is a schematic block diagram of a terminal device in an embodiment of the present application.
Detailed Description
In order to make the objects, features and advantages of the present invention more apparent and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the embodiments described below are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
In addition, in the description of the present application, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, a BMS circuit board verification system provided in an embodiment of the present application may include: the circuit board clamp, the clamp control bottom box and the terminal equipment are connected, wherein the clamp control bottom box is connected with the circuit board clamp and the terminal equipment through connectors respectively. And the circuit board clamp is used for fixing the BMS circuit board to be verified. And the fixture control bottom box is used for verifying the BMS circuit board under the control of the terminal equipment. The jig control bottom case may include: the system comprises a relay module, a first program-controlled direct-current power supply module, a second program-controlled direct-current power supply module, a program-controlled universal meter module, an analog battery module and a communication module. And the terminal equipment is used for controlling and managing the whole verification process.
Based on the BMS circuit board verification system, the embodiment of the application further provides a BMS circuit board verification method, the execution subject of the method is a terminal device, and the method specifically comprises the following steps as shown in fig. 2:
and step S201, acquiring the category information of the BMS circuit board to be verified.
The embodiment of the application can be used for verifying various types of BMS circuit boards, and the BMS circuit boards of which types are specifically supported can be configured in advance through the background. In the verification, the category information of the BMS circuit board to be verified may be first acquired, thereby determining the category of the BMS circuit board so as to perform a verification process for the category.
And S202, determining each test point of the BMS circuit board according to the category information.
For different types of BMS circuit boards, the test points to be verified may be different, and in the embodiment of the present application, each test point of the type of BMS circuit board may be determined according to the obtained type information.
And S203, switching among the test points of the BMS circuit board through the relay module, and verifying the test points of the BMS circuit board respectively.
In the embodiment of the application, one unverified test point can be selected from all test points of the BMS circuit board through the relay module to serve as the current test point, and then the current test point is verified to obtain the verification result of the current test point. And repeating the process, and sequentially traversing each test point until each test point of the BMS circuit board is verified.
Specifically, as shown in fig. 3, the process of verifying the current test point may include the following steps:
and S301, supplying power to the analog battery module through the first program control direct current power supply module, and activating the BMS circuit board.
Preferably, after the activation operation is performed, the state information of the BMS circuit board may be read through the communication module to confirm whether the BMS circuit board is already in the activated state. If not, the activation operation is executed again, and if the activation operation is executed, the subsequent steps are executed.
And S302, providing a preset reference voltage to the current test point through the second program-controlled direct-current power supply module, and reading a voltage sampling value of the BMS circuit board.
In the embodiment of the application, the reference voltage can be measured in real time through the program-controlled multimeter. The reference voltage includes a first voltage (denoted as V1) and a second voltage (denoted as V2), and the first voltage is lower than the second voltage, that is, the first voltage is a low voltage and the second voltage is a high voltage. The voltage sampling values include a first sampling value (denoted as Va 1) corresponding to the first voltage, and a second sampling value (denoted as Va 2) corresponding to the second voltage.
In a specific implementation of the embodiment of the present application, a first voltage may be first provided to the current test point through the second program controlled dc power module, and a voltage value of the BMS circuit board at this time, that is, a first sampling value, may be read through the communication module. And then, providing a second voltage to the current test point through a second program-controlled direct-current power supply module, and reading the voltage value of the BMS circuit board at the moment, namely a second sampling value, through a communication module. In another specific implementation of the embodiment of the present application, the second voltage may be provided first, and the corresponding second sampling value is read, and then the first voltage is provided, and the corresponding first sampling value is read.
Preferably, after the first sample value and the second sample value are obtained by reading, a validity judgment may be performed on the first sample value and the second sample value, that is, whether the first sample value is higher than or equal to the second sample value is judged, and if the first sample value is higher than or equal to the second sample value, it is directly determined that the current test point fails to be checked, and the processes from step S303 to step S306 do not need to be performed. If the first sampling value is smaller than the second sampling value, the process from step S303 to step S306 is continuously performed.
And step S303, calculating the parameter value of the current test point according to the reference voltage and the voltage sampling value, and writing the parameter value into the BMS circuit board.
How to calculate the parameter values can be set according to actual conditions, and in a specific implementation of the embodiment of the present application, two parameter values, k and b, can be calculated according to the linear equation formula y = kx + b by using two points (V1, va 1), (V2, va 2), and written into a microprocessor of the BMS circuit board, so as to complete updating of the parameter values.
And step S304, reactivating the BMS circuit board through the first program-controlled direct-current power supply module.
And S305, providing reference voltage to the current test point through the second program control direct current power supply module, and reading a new voltage sampling value of the BMS circuit board.
Step S305 is similar to step S302, and reference may be specifically made to the detailed description in step S302, which is not repeated herein. It should be noted that, since the parameter value is updated, the new first sample value read at this time may not be identical to the first sample value in step S302, and for convenience of distinction, the new first sample value is denoted as Vy1. Similarly, the new second sample value obtained by reading at this time may not be identical to the second sample value in step S302, and for convenience of distinction, the new second sample value is denoted by Vy2.
And S306, determining a verification result of the current test point according to the reference voltage and the new voltage sampling value.
In particular, a first difference between the first voltage and the new first sample value may be calculated according to:
e1＝V1－Vy1
wherein e1 is the first difference.
Calculating a second difference between the second voltage and the new second sample value according to:
e2＝V2－Vy2
wherein e2 is the second difference.
If the first difference and the second difference both meet the preset precision requirement, that is, abs (e 1) < TH and abs (e 2) < TH, it may be determined that the current test point is successfully verified. The abs is an absolute value function, the TH is a preset error threshold, and a specific value of the abs can be set according to an actual situation.
Otherwise, if the first difference or the second difference does not meet the precision requirement, that is, abs (e 1) is not less than TH or abs (e 2) is not less than TH, it may be determined that the current test point fails to verify.
Preferably, in a specific implementation of the embodiment of the present application, a reference voltage may be provided to a battery cell of the BMS circuit board through the first program control dc power supply module, so as to verify the battery cell. The verification process is similar to the foregoing verification process for each test point, and reference may be specifically made to the foregoing detailed description of the verification process for each test point, which is not described herein again.
In conclusion, through the embodiment of the application, the multi-point position verification of various types of BMS circuit boards can be realized, and the universality is better.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
Fig. 4 is a block diagram of an embodiment of a BMS circuit board verification apparatus according to an embodiment of the present disclosure, corresponding to the BMS circuit board verification method according to the above embodiments.
In this embodiment, a BMS circuit board verification device may include:
a category information acquisition module 401 for acquiring category information of the BMS circuit board to be verified;
a test point determining module 402, configured to determine each test point of the BMS circuit board according to the category information;
and the test point verification module 403 is configured to switch between the test points of the BMS circuit board through a preset relay module, and verify the test points of the BMS circuit board respectively.
In a specific implementation of the embodiment of the present application, the test point verification module may include:
the current test point selection submodule is used for selecting an unverified test point from all test points of the BMS circuit board through the relay module as a current test point;
and the current test point checking submodule is used for checking the current test point to obtain a checking result of the current test point.
In a specific implementation of the embodiment of the present application, the current test point verification submodule may include:
the first activation unit is used for supplying power to a preset simulation battery module through a preset first program-controlled direct-current power supply module and activating the BMS circuit board;
the first operation unit is used for providing a preset reference voltage for the current test point through a preset second program control direct-current power supply module and reading a voltage sampling value of the BMS circuit board;
the parameter value calculating unit is used for calculating the parameter value of the current test point according to the reference voltage and the voltage sampling value and writing the parameter value into the BMS circuit board;
a second activation unit for reactivating the BMS circuit board by the first programmed dc power supply module;
the second operation unit is used for providing the reference voltage for the current test point through the second program-controlled direct-current power supply module and reading a new voltage sampling value of the BMS circuit board;
and the verification result determining unit is used for determining the verification result of the current test point according to the reference voltage and the new voltage sampling value.
In a specific implementation of the embodiment of the present application, the reference voltage includes a first voltage and a second voltage, and the first voltage is lower than the second voltage; the voltage sampling values comprise a first sampling value corresponding to the first voltage and a second sampling value corresponding to the second voltage; the first operation unit may include:
the first operation subunit is used for providing the first voltage for the current test point through the second program-controlled direct-current power supply module and reading a first sampling value of the BMS circuit board;
and the second operation subunit is used for providing the second voltage to the current test point through the second program-controlled direct-current power supply module and reading a second sampling value of the BMS circuit board.
In a specific implementation of the embodiment of the present application, the verification result determining unit may include:
a first difference calculating subunit, configured to calculate a first difference between the first voltage and a new first sample value;
a second difference calculation subunit, configured to calculate a second difference between the second voltage and a new second sample value;
a first verification result determining subunit, configured to determine that the current test point is successfully verified if both the first difference and the second difference meet a preset precision requirement;
and the second checking result determining subunit is used for determining that the current test point fails to check if the first difference or the second difference does not meet the precision requirement.
In a specific implementation of the embodiment of the present application, the first operating unit may further include:
the sampling value judgment subunit is used for judging whether the first sampling value is higher than or equal to the second sampling value;
and the third verification result determining subunit is used for determining that the current test point fails to verify if the first sampling value is higher than or equal to the second sampling value.
In a specific implementation of the embodiment of the present application, the BMS circuit board checking apparatus may further include:
and the battery cell checking module is used for providing preset reference voltage for the battery cell voltage sampling circuit module of the BMS circuit board through a preset first program control direct-current power supply module, and checking the battery cell voltage sampling circuit module.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses, modules and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Fig. 5 shows a schematic block diagram of a terminal device provided in this embodiment of the present application, and for convenience of description, only a part related to this embodiment of the present application is shown.
As shown in fig. 5, the terminal device 5 of this embodiment includes: a processor 50, a memory 51 and a computer program 52 stored in said memory 51 and executable on said processor 50. The processor 50 implements the steps in the respective BMS circuit board verification method embodiments described above, such as steps S201 to S203 shown in fig. 2, when executing the computer program 52. Alternatively, the processor 50, when executing the computer program 52, implements the functions of each module/unit in the above-mentioned device embodiments, for example, the functions of the modules 401 to 403 shown in fig. 4.
Illustratively, the computer program 52 may be partitioned into one or more modules/units, which are stored in the memory 51 and executed by the processor 50 to accomplish the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program 52 in the terminal device 5.
The terminal device 5 may be a desktop computer, a notebook, a palm computer, or other computing devices. Those skilled in the art will appreciate that fig. 5 is only an example of the terminal device 5, and does not constitute a limitation to the terminal device 5, and may include more or less components than those shown, or combine some components, or different components, for example, the terminal device 5 may further include an input-output device, a network access device, a bus, and the like.
The Processor 50 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 51 may be an internal storage unit of the terminal device 5, such as a hard disk or a memory of the terminal device 5. The memory 51 may also be an external storage device of the terminal device 5, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, provided on the terminal device 5. Further, the memory 51 may also include both an internal storage unit and an external storage device of the terminal device 5. The memory 51 is used for storing the computer programs and other programs and data required by the terminal device 5. The memory 51 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. For the specific working processes of the units and modules in the system, reference may be made to the corresponding processes in the foregoing method embodiments, which are not described herein again.
In the above embodiments, the description of each embodiment has its own emphasis, and reference may be made to the related description of other embodiments for parts that are not described or recited in any embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method of the embodiments described above can be realized by a computer program, which can be stored in a computer-readable storage medium and can realize the steps of the embodiments of the methods described above when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable storage medium may include: any entity or device capable of carrying the computer program code, recording medium, U.S. disk, removable hard disk, magnetic diskette, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), electrical carrier wave signal, telecommunications signal, and software distribution medium, etc. It should be noted that the computer readable storage medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable storage media that does not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
The above-mentioned embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (7)
1. A BMS circuit board verification method is characterized by comprising the following steps:
acquiring category information of a BMS circuit board to be checked;
determining each test point of the BMS circuit board according to the category information;
switching among the test points of the BMS circuit board through a preset relay module, and respectively verifying the test points of the BMS circuit board;
providing a preset reference voltage to a cell voltage sampling circuit module of the BMS circuit board through a preset first program-controlled direct-current power supply module, and checking the cell voltage sampling circuit module;
switching between each test point of BMS circuit board through predetermined relay module, it is right respectively each test point of BMS circuit board carries out the check-up, include:
selecting an unverified test point from all test points of the BMS circuit board through the relay module as a current test point;
verifying the current test point to obtain a verification result of the current test point;
returning to the step of selecting one unverified test point from all test points of the BMS circuit board through the relay module as a current test point and the subsequent steps until all the test points of the BMS circuit board are verified;
the verifying the current test point to obtain a verification result of the current test point includes:
supplying power to a preset simulation battery module through a preset first program-controlled direct-current power supply module to activate the BMS circuit board;
providing a preset reference voltage to the current test point through a preset second program control direct current power supply module, and reading a voltage sampling value of the BMS circuit board;
calculating a parameter value of the current test point according to the reference voltage and the voltage sampling value, and writing the parameter value into the BMS circuit board;
reactivating the BMS circuit board by the first programmable DC power supply module;
providing the reference voltage to the current test point through the second program-controlled direct-current power supply module, and reading a new voltage sampling value of the BMS circuit board;
and determining the verification result of the current test point according to the reference voltage and the new voltage sampling value.
2. The BMS circuit board verification method according to claim 1, wherein the reference voltage includes a first voltage and a second voltage, and the first voltage is lower than the second voltage; the voltage sampling values comprise a first sampling value corresponding to the first voltage and a second sampling value corresponding to the second voltage;
the step of providing the preset reference voltage to the current test point through a preset second program control direct current power supply module and reading the voltage sampling value of the BMS circuit board comprises the following steps:
providing the first voltage to the current test point through the second program-controlled direct-current power supply module, and reading a first sampling value of the BMS circuit board;
and providing the second voltage to the current test point through the second program control direct current power supply module, and reading a second sampling value of the BMS circuit board.
3. The BMS circuit board verification method according to claim 2, wherein said determining the verification result of the current test point from the reference voltage and the new voltage sample value comprises:
calculating a first difference between the first voltage and a new first sample value;
calculating a second difference between the second voltage and a new second sample value;
if the first difference and the second difference both meet the preset precision requirement, determining that the current test point is successfully verified;
and if the first difference or the second difference does not meet the precision requirement, determining that the current test point fails to check.
4. The BMS circuit board verification method according to claim 2, further comprising, after reading the voltage sample values of the BMS circuit board:
judging whether the first sampling value is higher than or equal to the second sampling value;
and if the first sampling value is higher than or equal to the second sampling value, determining that the current test point fails to be checked.
5. A BMS circuit board verification system, comprising: the system comprises a circuit board clamp, a clamp control bottom box and terminal equipment, wherein the clamp control bottom box is respectively connected with the circuit board clamp and the terminal equipment;
the circuit board clamp is used for fixing the BMS circuit board to be verified;
the fixture control bottom box is used for verifying the BMS circuit board under the control of the terminal equipment;
the terminal device for performing the steps of the BMS circuit board verification method according to any one of claims 1 to 4.
6. A computer-readable storage medium storing a computer program, wherein the computer program, when executed by a processor, implements the steps of the BMS circuit board verification method according to any one of claims 1 to 4.
7. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the BMS circuit board verification method according to any one of claims 1 to 4 when executing the computer program.
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| CN113884785A (en) * | 2021-08-31 | 2022-01-04 | 深圳市科信通信技术股份有限公司 | Battery management system test method and storage medium |
| CN117347840A (en) * | 2023-12-06 | 2024-01-05 | 深圳市易检车服科技有限公司 | Calibration test method, device, equipment and storage medium for equalizer |
| CN117452222A (en) * | 2023-12-21 | 2024-01-26 | 深圳市安仕新能源科技有限公司 | BMS production line quality control method, system and medium |
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